Chicago River · CH-01
Chicago Lock
Wait-time history, barge traffic and lock information for Chicago Lock on the Chicago River. Includes data coverage and source definitions.
- Waterway
- Chicago River
- Location
- Chicago, IL
- River mile
- 327.2
- Chamber length (ft)
- 600.0
- Chamber width (ft)
- 80.0
- Opened
- 1938.0
Recorded traffic and wait times
| Lock | Waterway | Lockages | Barges | Median commercial wait |
|---|---|---|---|---|
| Chicago Lock (CH-01) | Chicago River | 2,845 | 8 | 0.07 h |
90th-percentile commercial wait: 0.07 hours. Commercial lockages recorded: 8.
Recorded arrivals: 2026-09-04T14:13 to 2026-10-04T16:16 (CST, as reported).
Status snapshot collected: 2026-10-05T14:09Z. Tows pending: 0. Reported four-hour average delay: 0.0 minutes.
Page data built 2026-10-05T14:21:30Z. Wait means arrival to start of lockage. Recent completed passages may understate delays while other tows remain waiting. See definitions and limitations.